Select the correct meaning of the given idiom:

Bite the bullet

The correct option is: To endure a painful or difficult situation with courage.

Explanation:
The idiom "bite the bullet" means to face a difficult, painful, or unpleasant situation with courage and fortitude, accepting the inevitable consequences rather than continuing to avoid it.

Etymology & Context:
Historically, before anesthesia was widely available on battlefields, wounded soldiers were given a soft lead bullet to bite down on to manage excruciating pain during surgery or amputations.

Usage Example:
"She didn't want to break the bad news to her boss, but she knew she had to bite the bullet and do it."